Home / 865,125.91-1,297,388.31-481,460.23

Finding the Fourth Proportional to 865,125.91, 1,297,388.31 and 481,460.23

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Solution

The fourth proportional to 865,125.91, 1,297,388.31 and 481,460.23 is: 722,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,125.91 : 1,297,388.31 = 481,460.23 : x
  2. Step 2: Convert to fraction form
    865,125.91/1,297,388.31 = 481,460.23/x
  3. Step 3: Cross multiply
    865,125.91x = 1,297,388.31 × 481,460.23
  4. Step 4: Simplify right side
    865,125.91x = 624,640,874,131.91
  5. Step 5: Solve for x
    x = 624,640,874,131.91/865,125.91
  6. Step 6: Final answer
    x = 722,023.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.